根据句意及首字母或汉语提示完成句子。
1. Without my p _____, don't touch my things.    
2. This kind of machine can be o _____ easily, so you don't need much skills to do the job.    
3. Qufu in Shandong is an e _____ place for people to visit.
4. After you finish writing the composition, you should check your spelling and g _____.    
5. These stories are written for students with a v _____ of about 2,000 words.    
6. —How old are you?      
    —Ah, it's a s _____ I can not tell it to you.    
7. The temperature is falling b _____ zero again,  so please put on more clothes.    
8. Don't forget to l _____ the door when you leave the classroom.    
9. Sir, you can't p _____ your car here. Don't you see the sign "No Parking"?    
10. The Japanese people often b _____ when they meat for the first time.

1. By 5 :30  yesterday afternoon he         (finish) writing the laboratory report.
2. As soon as he came into the office, he        (shake) hands with every one of us.
 3. You must try your best to stop him         (make) the same mistake again.  
4. The law of gravity        (discover) by Isaac Newton about 350 years ago.  
5. If the wild animals can't find enough food,  they        (die)or have to leave their habitat soon.
6. The Great Wall as well as the Palace Museum        (attract)lots of tourists from abroad every year.
 7. The dictionary is very        (help) to me.
8. Who is         (popular) teacher in your school?
9. I will go to the park if it        (not rain)tomorrow.
10. She spent half an hour        (do) the work yester day.

根据括号内的要求，改写下列句子。